diurnal 1 of 2

adjective

dī-ˈər-nᵊl How to pronounce diurnal (audio)
Definition of diurnalnext
as in daily
occurring, done, produced, or appearing every day a love as constant and certain as the diurnal tides

Synonyms & Similar Words

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Antonyms & Near Antonyms

diurnal

2 of 2

noun

as in periodical
a publication that appears at regular intervals a collection of diurnals containing essays by preeminent 19th-century American writers and thinkers

Synonyms & Similar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of diurnal
Adjective
During its 12-day journey, SE2 completed one full day-night diurnal cycle over New Mexico and three consecutive diurnals off the Brazilian coast. — Chris Young, Interesting Engineering, 14 Apr. 2026 Overnight lows will drop into the low 40s under clear skies, marking a 30-degree diurnal swing in some spots. — Senior Newsroom Meteorologist, San Francisco Chronicle, 3 Feb. 2026 This doubling of the diurnal might happen once a year. — Lauren Bostwick, CBS News, 18 Jan. 2026 The watery and stable microclimate within the caves long ago could have hosted microbial colonies, and today the caves are protected from the extreme conditions on Mars' surface, such as wildly different diurnal temperatures, dust storms and solar ultraviolet and cosmic-ray radiation. — Keith Cooper, Space.com, 24 Nov. 2025 See All Example Sentences for diurnal
Recent Examples of Synonyms for diurnal
  1. daily
  2. periodical
  3. newspaper
  4. journal
  5. book
  6. magazine
Adjective
  • Construction site trial succeeds The team tested the complete system at an active construction site, where a worker wore the device for approximately 165 minutes while performing normal daily activities.
    — Neetika Walter, Interesting Engineering, 10 Oct. 2026
  • The unrest followed days of clashes in Liège, where more than 200 people were arrested, while demonstrators in Brussels described growing anxiety over the cost of daily life.
    — Mark Carlson, Los Angeles Times, 9 Oct. 2026
Definition of daily
Noun
  • Operating for nearly a century, Algani began in 1927 as a modest seller of newspapers, periodicals, and postcards before evolving into one of the city’s first international newsstands.
    — Eleonora Giordani, Vogue, 17 Sep. 2026
  • People who might be lucky to have a roof over their heads gathered there to read American books and periodicals, watch American movies, listen to lectures about America, tap their toes to jazz from America.
    — Ian Buruma, New Yorker, 10 Aug. 2026
Definition of periodical
Noun
  • Wire services, newspapers, magazine and niche publications also take part.
    — Brian Steinberg, Variety, 10 Oct. 2026
  • Drawing on personal archives, home videos, footage of street protests, newspapers and recorded voices, the filmmaker pieces together a portrait of a country shaped by political repression and a continuing hope for revolution.
    — Lexi Carson, HollywoodReporter, 10 Oct. 2026
Definition of newspaper
Noun
  • The current credit ecosystem arose in the mid-19th century, as science emerged as a profession alongside the rise of the modern scientific journal.
    — Jeffrey S. Flier, STAT, 5 Oct. 2026
  • The club recently published an official Field Guide, a journal (available at events) that includes a list of sites and recording prompts, as well as space to log metadata and the stories behind the sounds.
    — Los Angeles Times, Los Angeles Times, 5 Oct. 2026
Definition of journal
Noun
  • This is the room to book if staying a while and traveling with a kid who can comfortably sleep on the large couch on the lower level.
    — Condé Nast, Condé Nast Traveler, 11 Oct. 2026
  • There are other things about this book that are insightful and poignant about the nature of being a human.
    — Jasmine Vojdani, Vulture, 10 Oct. 2026
Definition of book
Noun
  • Rich tried to vocalize his concerns, writing about the dangers in columns for outlets like Time magazine.
    — Rebecca Rubin, Variety, 6 Oct. 2026
  • Also on the lobby level, a corner shop sells downloadable newspapers and magazines, snacks, and classic Penguin paperbacks.
    — Condé Nast, Condé Nast Traveler, 6 Oct. 2026
Definition of magazine

Browse Nearby Words

ditzy
diurnal
diurnals
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Cite this Entry

“Diurnal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diurnal. Accessed 11 Oct. 2026.

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